Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4711732 | Radiation-resistant grease | Kazuo Arakawa, Naohiro Hayakawa, Tetsuya Yagi, Hiroshi Nakanishi | 1987-12-08 |
| 4664829 | Lubricating oil blend resistant to ionizing radiation | Kazuo Arakawa, Naohiro Hayakawa, Naoyuki Tamura, Hiroshi Nakanishi, Tetsuya Yagi +1 more | 1987-05-12 |